It’s been a year of both continued expansion and mounting challenges for the global solar industry. RenewableEnergyWorld asked solar industry executives to share their thoughts and insights on one burning question:

The Hillary Step. It’s the last big technical obstacle between a mountaineer and the summit of Mount Everest. Every biofuels contender has its own route to the top – with unique advantages and technical challenges. Who is nearing the Summit, what’s t…

NASA and the Kennedy Space Center Visitor Complex will invite 28 of their social media followers to a two-day NASA Social Nov. 1-2 in Florida.

A new robotic space technology spinoff derived from NASA’s Robonaut 2 project someday may help astronauts stay healthier in space and aid paraplegics in walking here on Earth.

The first Martian rock NASA’s Curiosity rover has reached out to touch presents a more varied composition than expected from previous missions.